Long-term Investments - Schedule of Equity Investments without Readily Determinable Fair Value (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
Schedule Of Investments [Abstract]
Initial cost basis	¥ 2,285,439	$ 358,635	¥ 2,654,055
Cumulative unrealized gains	329,768	51,748	235,258
Cumulative unrealized losses (including impairment)	(270,421)	(42,435)	(247,468)
Total carrying amount	¥ 2,344,786	$ 367,948	¥ 2,641,845

Equity securities without readily determinable fair value amount gross amount.

No definition available.

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- Definition

Equity securities without readily determinable fair value downward price adjustment including impairment loss cumulative amount.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

+ Details

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- Definition

Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

+ Details

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- References

No definition available.

+ Details

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